/Engine/Plugins/Enterprise/DatasmithFBXImporter/Source/DatasmithFBXTranslator/Public/DatasmithFBXSceneProcessor.h
Split camera nodes into a parent that is a simple actor and a child camera actor. This because VRED has the convention that cameras shoot toward -Z, while they shoot toward +X in Unreal. Since we also can animate those camera nodes (needing a BP_VREDAnimNode), we need to split these camera nodes
void SplitCameraNodes()